We all love filming our dogs. But I'll bet the guy who filmed his dog playing fetch wasn't too happy about the outcome! (In fact, I'd better post a strong-language warning - he really, really wasn't happy!) But I guess he got over it, because he put it out there for us to see.
And I think it's hilarious!
I found it at a German site, and couldn't figure out whether it can be embedded, so here's the link.